Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 44, Issue -, Pages 67-72Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2016.08.012
Keywords
Polyurethane; Membrane; Gas permeation; Epoxy; Nanocomposite
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In this study, we report highly selective CO2 polyurethane incorporated with cured epoxy nanoparticles. PU-epoxy composite membranes were prepared via solution casting method. The obtained SEM micrographs confirmed the nano-scale distribution of epoxy particles in the polymer matrix. DSC and FTIR spectra showed different phase separation for the PU composites compared to the pure PU. The effect of epoxy nanoparticles on the gas permeability of CO2, CH4, O-2 and N-2 was studied at 25 degrees C and 10 bar. The selectivity of CO2/N-2 increased from 25 for the pure PU membrane to 55.5 for the PU-EP10, while the CO2 permeability was unchanged. (C) 2016 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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